<template>
  <div>
    <!-- 面包屑区域 -->
    <el-breadcrumb separator=">">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <div id="main" style="width: 750px;height: 400px;">

      </div>
    </el-card>

  </div>
</template>
<script>
  //导入echarts
  var echarts = require('echarts')
  //导入lodash
  import _ from 'lodash'
  export default {
    data() {
      return {
        //需要合并的对象
        options: {
          title: {
            text: '用户来源'
          },
          tooltip: {
            trigger: 'axis',
            axisPointer: {
              type: 'cross',
              label: {
                backgroundColor: '#E9EEF3'
              }
            }
          },
          grid: {
            left: '3%',
            right: '4%',
            bottom: '3%',
            containLabel: true
          },
          xAxis: [
            {
              boundaryGap: false
            }
          ],
          yAxis: [
            {
              type: 'value'
            }
          ]
        }
      }
    },
    created() {

    },
    computed: {},
    methods: {},
    async mounted() {
      //初始化图表
      var myChart = echarts.init(document.getElementById('main'))
      console.log(myChart)
      //准备数据
      const { data: res } = await this.$http.get('reports/type/1')
      if (res.meta.status !== 200) {
        return this.$message.error(res.meta.msg)
      }

      //合并option
      const merge = _.merge(res.data,this.options)
      console.log(merge)
      //展示数据
      myChart.setOption(merge)
    }
  }
</script>
<style lang="less" scoped>

</style>